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Vestiges in the Pre-Caledonian Passive Margin of Baltica in the Scandinavian Caledonides: Overview, Revisions and Control on the Structure of the Mountain Belt 
Andersen, Torgeir Bjørge; Jakob, Johannes; Kjøll, Hans Jørgen; Tegner, Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Abstract: The Pre-Caledonian margin of Baltica has been outlined as a tapering wedge with increas- ing magmatism towards the ocean–continent transition. It is, however, well known that margins are complex, with different ...
Ecological Climatology and Distribution Modelling 
Horvath, Peter (Doctoral thesis / Doktoravhandling, 2022)
Reliable information about the land surface and vegetation is a prerequisite for managing protected areas, maintaining biodiversity or even predicting climate change. Yet, despite the enormous efforts in field-mapping ...
Strength of Dry and Wet Quartz in the Low-Temperature Plasticity Regime: Insights From Nanoindentation 
Ceccato, Alberto; Menegon, Luca; Hansen, Lars N. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
At low-temperature and high-stress conditions, quartz deformation is controlled by the kinetics of dislocation glide, that is, low-temperature plasticity (LTP). To investigate the relationship between intracrystalline H2O ...
Anthropogenic-scale CO2 degassing from the Central Atlantic Magmatic Province as a driver of the end-Triassic mass extinction 
Capriolo, Manfredo; Mills, Benjamin J.W.; Newton, Robert J.; Dal Corso, Jacopo; Dunhill, Alexander M.; Wignall, Paul B.; Marzoli, Andrea (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The climatic and environmental impact of exclusively volcanic CO2 emissions is assessed during the main effusive phase of the Central Atlantic Magmatic Province (CAMP), which is synchronous with the end-Triassic mass ...
Illoqite-(Ce), Na2NaBaCeZnSi6O17, a new member of the nordite supergroup from Ilímaussaq alkaline complex, South Greenland 
Gulbransen, Emil Holtung; Friis, Henrik; Dal Bo, Fabrice; Erambert, Muriel (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Abstract The new mineral, illoqite-(Ce), with the ideal formula Na 2 NaBaCeZnSi 6 O 17 , has been discovered in the Taseq Slope, Ilímaussaq Alkaline Complex, Southern Greenland. Illoqite-(Ce) occurs in a hyperalkaline ...
Northward migration of the Javanese volcanic arc along thrust faults 
Lupi, Matteo; De Gori, Pasquale; Valoroso, Luisa; Baccheschi, Paola; Minetto, Riccardo; Mazzini, Adriano (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
East Java is characterised by a complex interaction of volcanic and tectonic processes and it is marked by isolated eruptive centres scattered across the back-arc sedimentary basins. In 2006 a large sediment hosted geothermal ...
Fluorine partitioning between quadrilateral clinopyroxenes and melt 
Baker, Don R.; Callegaro, Sara; De Min, Angelo; Whitehouse, Martin J.; Marzoli, Andrea (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2022)
Abstract Concentrations of fluorine and chlorine were measured in glasses (quenched melts) and coexisting clinopyroxene, orthopyroxene, olivine, and plagioclase in run products of experiments previously used to ...
A review of PFAS fingerprints in fish from Norwegian freshwater bodies subject to different source inputs 
Langberg, Håkon A.; Hale, Sarah; Breedveld, Gijs D.; Jenssen, Bjørn Munro; Jartun, Morten (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The extensive use of per- and polyfluorinated alkyl substances (PFAS) has resulted in many environmental point and diffuse sources. Identifying the source responsible for a pollution hot spot is vital for assessing remediation ...
Monitoring geological storage of CO2 using a new rock physics model 
Fawad, Manzar; Mondol, Nazmul Haque (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Abstract To mitigate the global warming crisis, one of the effective ways is to capture CO 2 at an emitting source and inject it underground in saline aquifers, depleted oil and gas reservoirs, or in coal beds. This process ...
Mapping the maturity of organic-rich shale with combined geochemical and geophysical data, Draupne Formation, Norwegian Continental Shelf 
Johnson, James Ronald; Hansen, Jørgen André; Rahman, Md Jamilur; Renard, Francois; Mondol, Nazmul Haque (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The evaluation of the interplay between kerogen maturation and total organic carbon (TOC) content within an organic-rich shale is critical to characterizing source rock shale's elastic behavior. We analysed a comprehensive ...
TopoCLIM: rapid topography-based downscaling of regional climate model output in complex terrain v1.1 
Fiddes, Joel; Aalstad, Kristoffer; Lehning, Michael (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
This study describes and evaluates a new down-scaling scheme that specifically addresses the need for hillslope-scale atmospheric-forcing time series for modelling the local impact of regional climate change projections ...
Imaging and modelling nanoscale dynamics of mineral-mineral and mineral-fluid interfaces during mechano-chemical transformations 
Guren, Marthe Grønlie (Doctoral thesis / Doktoravhandling, 2022)
Nanoscale interactions at mineral-fluid interfaces are important for processes occurring at the Earth's crust. Mineral dissolution occurs when a mineral is in contact with a fluid over time and can be observed by a change ...
Deep learning-based seismic data processing for attenuation of interference noise and deblending in the shot domain 
Sun, Jing (Doctoral thesis / Doktoravhandling, 2022)
During seismic acquisition, reflected waves from the subsurface are recorded by sensors in seismic cables in the water column. The measured data are used to create images of the subsurface for the exploration of natural ...
Late Permian to Late Triassic Large Igneous Provinces: Timing, Eruptive Style and Paleoenvironmental Perturbations 
Boscaini, Andrea; Callegaro, Sara; Sun, Yadong; Marzoli, Andrea (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The emplacement of the Siberian Traps, the Central Atlantic Magmatic Province (CAMP) and the Wrangellia have been linked to the end-Permian, the end-Triassic mass extinctions, and to the Carnian Pluvial Episode (CPE), ...
Impact of Timanian thrust systems on the late Neoproterozoic–Phanerozoic tectonic evolution of the Barents Sea and Svalbard 
Koehl, Jean-Baptiste Philippe; Magee, Craig; Anell, Ingrid (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The Svalbard Archipelago consists of three basement terranes that record a complex Neoproterozoic– Phanerozoic tectonic history, including four contractional events (Grenvillian, Caledonian, Ellesmerian, and Eurekan) and ...
Array Signal Processing on Distributed Acoustic Sensing Data: Directivity Effects in Slowness Space 
Näsholm, Sven Peter; Iranpour, Kamran; Wuestefeld, Andreas; Dando, Benjamin; Baird, Alan F.; Oye, Volker (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Distributed Acoustic Sensing (DAS) involves the transmission of laser pulses along a fiber-optic cable. These pulses are backscattered at fiber inhomogeneities and again detected by the same interrogator unit that emits ...
Predicting Fracture Network Development in Crystalline Rocks 
McBeck, Jessica Ann; Aiken, John; Cordonnier, B.; Ben-Zion, Yehuda; Renard, Francois (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Abstract The geometric properties of fractures influence whether they propagate, arrest, or coalesce with other fractures. Thus, quantifying the relationship between fracture network characteristics may help predict fracture ...
On group velocity and spatial damping of diurnal continental shelf waves 
Weber, Jan Erik H.; Børve, Eli (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Diurnal continental shelf waves (CSWs) are studied theoretically for an idealized shelf topography. Wave attenuation is caused by the exchange of fluid on the sloping shelf with an inner region through a permeable coastline. ...
Deep learning in seismic wavefield reconstruction and resolution enhancement 
Greiner, Thomas André Larsen (Doctoral thesis / Doktoravhandling, 2022)
Seismic data contain information about elastic properties and the structural patterns of the subsurface. However, before we get an image of the subsurface, seismic data goes through many processing steps that consist of ...
The dim and distant past: Constraining aerosol forcing history in the 20th century 
Moseid, Kine Onsum (Doctoral thesis / Doktoravhandling, 2022)
Out of the multiple natural and anthropogenic factors affecting climate, greenhouse gases (GHGs) and aerosols from human activity dominate over the industrial era. The warming effect of the accumulating GHGs in the atmosphere ...
Synchrotron 4D X-Ray Imaging Reveals Strain Localization at the Onset of System-Size Failure in Porous Reservoir Rocks 
Kandula, Neelima; McBeck, Jessica Ann; Cordonnier, Benoît; Weiss, Jérôme; Dysthe, Dag Kristian; Renard, François (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Abstract Understanding the mechanisms of strain localization leading to brittle failure in reservoir rocks can shed light on geomechanical processes such as porosity and permeability evolution during rock deformation, ...
Identifying climate thresholds for dominant natural vegetation types at the global scale using machine learning: Average climate versus extremes 
Beigaitė, Rita; Tang, Hui; Bryn, Anders; Skarpaas, Olav; Stordal, Frode; Bjerke, Jarle W.; Žliobaitė, Indrė (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The global distribution of vegetation is largely determined by climatic conditions and feeds back into the climate system. To predict future vegetation changes in response to climate change, it is crucial to identify and ...
Drying in the low-latitude Atlantic Ocean contributed to terrestrial water storage depletion across Eurasia 
Shen, Zexi; Zhang, Qiang; Singh, Vijay P.; Pokhrel, Yadu; Liu, Jianping; Xu, Chong-Yu; Wu, Wenhuan (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Abstract Eurasia, home to ~70% of global population, is characterized by (semi-)arid climate. Water scarcity in the mid-latitude Eurasia (MLE) has been exacerbated by a consistent decline in terrestrial water storage (TWS), ...
Open-system behaviour of detrital zircon during weathering: An example from the Palaeoproterozoic Pretoria Group, South Africa 
Andersen, Tom; Elburg, Marlina A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Abstract Detrital zircon in six surface samples of sandstone and contact metamorphic quartzite of the Magaliesberg and Rayton formations of the Pretoria Group (depositional age c.  2.20–2.06 Ga) show a major age fraction ...
A Persistent Non-uniformitarian Paleomagnetic Field in the Devonian? 
van der Boon, Annique; Biggin, Andrew J.; Thallner, Daniele; Hounslow, Mark; Bono, Richard; Nawrocki, Jerzy; Wójcik, K; Paszkowski, Mariusz; Königshof, Peter; de Backer, Tim; Kabanov, Pavel; Gouwy, Sofie; VandenBerg, Richard (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The Devonian has long been a problematic period for paleomagnetism. Devonian paleomagnetic data are generally difficult to interpret and have complex partial or full overprints– problems that arise in data obtained from ...
Permafrost in monitored unstable rock slopes in Norway-New insights from temperature and surface velocity measurements, geophysical surveying, and ground temperature modelling 
Etzelmüller, Bernd; Czekirda, Justyna; Magnin, Florence; Duvillard, Pierre-Allain; Ravanel, Ludovic; Malet, Emanuelle; Aspaas, Andreas Grøvan; Kristensen, Lene; Skrede, Ingrid; Majala, Gudrun D.; Jacobs, Benjamin; Leinauer, Johannes; Hauck, Christian; Hilbich, Christin; Böhme, Martina; Hermanns, Reginald; Eriksen, Harald Øverli; Lauknes, Tom Rune; Krautblatter, Michael; Westermann, Sebastian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The warming and subsequent degradation of mountain permafrost within alpine areas represent an important process influencing the stability of steep slopes and rock faces. The unstable and monitored slopes of Mannen (Møre ...
Petermann ice shelf may not recover after a future breakup 
Åkesson, Henning Martin; Morlighem, Mathieu; Nilsson, Johan; Stranne, Christian; Jakobsson, Martin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Floating ice shelves buttress inland ice and curtail grounded-ice discharge. Climate warming causes melting and ultimately breakup of ice shelves, which could escalate ocean-bound ice discharge and thereby sea-level rise. ...
The porosity preserving effect of basin wide illitic coating in deeply buried sandstone intervals of the lower Jurassic Stø Formation, Barents Sea 
Løvstad, Kristoffer; Hansen, Henrik Nygaard; Jahren, Jens Sigurd (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The Stø Formation contains the main target reservoirs for petroleum exploration in the Norwegian Barents Sea Area, however, the clean sandstones of the Stø Formation can be heavily quartz cemented in areas that have undergone ...
A framework for determining lowest navigable water levels with nonstationary characteristics 
Wang, Lu; Xie, Ping; Xu, Chong-Yu; Sang, Yan-Fang; Chen, Jie; Yu, Tao (Journal article / Tidsskriftartikkel / SubmittedVersion, 2022)
The Lowest navigable water level (LNWL) is an important indicator used for navigation design to balance the relationship between navigation safety and economic benefits of a waterway. However, it is a challenge of accurately ...
On the Relation Between Basal Erosion of the Lithosphere and Surface Heat Flux for Continental Plume Tracks 
Heyn, Björn Holger; Conrad, Clinton Phillips (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
While hotspot tracks beneath thin oceanic lithosphere are visible as volcanic island chains, the plume-lithosphere interaction for thick continental or cratonic lithosphere often remains hidden due to the lack of volcanism. ...
Amplifying Flood Risk Across the Lower Yellow River Basin, China, Under Shared Socioeconomic Pathways 
Song, Jinbo; Zhang, Qiang; Wu, Wenhuan; Singh, VP; Shen, Zexi; Wang, Gang; Xu, Chong-Yu (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The ecological conservation and high-quality development of the Yellow River basin (YRB) has been adopted as a major national strategy of China. However, the YRB is still afflicted by floods. Here, we proposed a flood risk ...
Deep learning as a tool for seismic data interpolation 
Hlebnikov, Volodya (Doctoral thesis / Doktoravhandling, 2022)
During seismic acquisition, reflected waves from the subsurface are recorded by sensors in seismic cables in the water column. The measured data are used to create images of the subsurface to explore natural resources. ...
Correction: Li et al. Joint Effects of the DEM Resolution and the Computational Cell Size on the Routing Methods in Hydrological Modelling. Water 2022, 14, 797 
Li, Jingjing; Chen, Hua; Xu, Chong-Yu; Li, Lu; Zhao, haoyuan; Huo, Ran; Chen, Jie (Journal article / Tidsskriftartikkel / PublishedVersion, 2022)
A new citation needs to be added to the original publication [...]
The ABCflux database: Arctic–boreal CO2 flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems 
Virkkala, Anna-Maria; Natali, Susan M.; Rogers, Brendan M.; Watts, Jennifer D.; Savage, Kathleen; Connon, Sara June; Mauritz, Marguerite; Schuur, Edward A. G.; Peter, Darcy; Minions, Christina; Nojeim, Julia; Commane, Roisin; Emmerton, Craig; Goeckede, Mathias; Helbig, Manuel; Holl, David; Iwata, Hiroki; Kobayashi, Hideki; Kolari, Pasi; López-Blanco, Efrén; Marushchak, Maija E.; Mastepanov, Mikhail; Merbold, Lutz; Parmentier, Frans-Jan W.; Peichl, Matthias; Sachs, Torsten; Sonnentag, Oliver; Ueyama, Masahito; Voigt, Carolina; Aurela, Mika; Boike, Julia; Celis, Gerardo; Chae, Namyi; Christensen, Torben R; Bret-Harte, M. Syndonia; Dengel, Sigrid; Dolman, Han; Edgar, Colin W.; Elberling, Bo; Euskirchen, Eugénie S.; Grelle, Achim; Hatakka, Juha; Humphreys, Elyn; Järveoja, Järvi; Kotani, Ayumi; Kutzbach, Lars; Laurila, Tuomas; Lohila, Annalea; Mammarella, Ivan; Matsuura, Yojiro; Meyer, Gesa; Nilsson, Mats B.; Oberbauer, Steven F.; Park, Sang-Jong; Petrov, Roman; Prokushkin, Anatoly S.; Schulze, Christopher; St. Louis, Vincent L.; Tuittila, Eeva-Stiina; Tuovinen, Juha Pekka; Quinton, William; Varlagin, Andrej; Zona, Donatella; Zyryanov, Viacheslav I. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Abstract. Past efforts to synthesize and quantify the magnitude and change in carbon dioxide (CO2) fluxes in terrestrial ecosystems across the rapidly warming Arctic–boreal zone (ABZ) have provided valuable information but ...
On the coupling between surface waves and the motion in a flexible porous surface layer 
Weber, Jan Erik H. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The coupling between surface waves and the motion in a flexible porous surface layer is investigated theoretically. We apply a Lagrangian formulation for the viscous fluid and the fluid-saturated porous medium. In the ...
Variations in molecular and isotopes composition of seepage gases in the north-western and south-eastern parts of Lake Baikal 
Vidishcheva, O; Akhmanov, G.; Kislitsyna, E.; Mazzini, Adriano; Mal’tseva, A.; Poludetkina, E.; Bakay, E.; Man’ko, I.; Korost, D.; Khlystov, Oleg (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
The paper presents results of gas-geochemical studies of bottom sediments and petroleum potential assessment of Baikal Rift Basin. During the expeditions of the Class@Baikal project in 2014–2019, gases from the Lake Baikal ...
Regional-scale phytoplankton dynamics and their association with glacier meltwater runoff in Svalbard 
Dunse, Thorben; Dong, Kaixing; Aas, Kjetil Schanke; Stige, Leif Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Arctic amplification of global warming has accelerated mass loss of Arctic land ice over the past decades and led to increased freshwater discharge into glacier fjords and adjacent seas. Glacier freshwater discharge is ...
OpenMetBuoy-v2021: An Easy-to-Build, Affordable, Customizable, Open-Source Instrument for Oceanographic Measurements of Drift and Waves in Sea Ice and the Open Ocean 
Rabault, Jean; Nose, Takehiko; Hope, Gaute; Müller, Malte; Breivik, Øyvind; Voermans, Joey; Hole, Lars Robert; Bohlinger, Patrik; Waseda, Takuji; Kodaira, Tsubasa; Katsuno, Tomotaka; Johnson, Mark; Sutherland, Graig; Johansson, Anna Malin Kristin; Christensen, Kai Haakon; Garbo, Adam; Jensen, Atle; Gundersen, Olav; Marchenko, Aleksey; Babanin, Alexander (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
There is a wide consensus within the polar science, meteorology, and oceanography communities that more in situ observations of the ocean, atmosphere, and sea ice are required to further improve operational forecasting ...
A note on the temporal and spatial attenuation of ocean waves 
Weber, Jan Erik H. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
We study attenuation of free waves in the homogeneous ocean. Using the Cauchy–Riemann relations and then energy equation, we derive a novel equation that relates temporal and spatial decay to the energy dissipation in the ...
The ability of the ICE-T microphysics scheme in HARMONIE-AROME to predict aircraft icing 
Engdahl, Bjørg Jenny Kokkvoll; Carlsen, Tim; Køltzow, Morten Andreas Ødegaard; Storelvmo, Trude (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
Abstract In-cloud icing is a major hazard for aviation traffic and forecasting of these events is an important task for weather agencies worldwide. A common tool utilized by aviation forecasters is an icing intensity ...
Constraining the HBV model for robust water balance assessments in a cold climate 
Erlandsen, Helene Birkelund; Beldring, Stein; Eisner, Stephanie; Hisdal, Hege; Huang, Shaochun; Tallaksen, Lena Merete (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Robust projections of changes in the hydrological cycle in a non-stationary climate rely on trustworthy estimates of the water balance elements. Additional drivers than precipitation and temperature, namely wind, radiation, ...
Snow avalanche controls, monitoring strategies, and hazard management in Svalbard 
Hancock, Holt John (Doctoral thesis / Doktoravhandling, 2021)
Snow avalanches present a common natural hazard in snow-covered mountainous areas throughout the world. However, most snow avalanche research has taken place in mid-latitude locations, thereby limiting knowledge of avalanche ...
Plate Tectonic Controls on Geodynamic Processes: Earth’s Deep Water Cycle, Sea Level Change and Planetary Cooling Patterns 
Karlsen, Krister Stræte (Doctoral thesis / Doktoravhandling, 2021)
The motions of tectonic plates in Earth’s deep past can uncover planetary cycles of water and heat that are important for the evolution of our planet. In this thesis water exchange between Earth’s oceans and deep interior ...
Multi-decadal (1953-2017) rock glacier kinematics analysed by high-resolution topographic data in the upper Kaunertal, Austria 
Fleischer, Fabian; Haas, Florian; Piermattei, Livia; Pfeiffer, Madlene; Heckmann, Tobias; Altmann, Moritz; Rom, Jakob; Stark, Manuel; Wimmer, Michael H.; Pfeifer, Norbert; Becht, Michael (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Permafrost is being degraded worldwide due to the change in external forcing caused by climate change. This has also been shown to affect the morphodynamics of active rock glaciers. We studied these changes, depending on ...
Hydrological ensemble prediction systems: From evaluating daily streamflow forecasts to exploring the impact of selected flood events in a future climate 
Hegdahl, Trine Jahr (Doctoral thesis / Doktoravhandling, 2021)
Worldwide, floods are the natural disaster causing the highest economic losses and casualties. Flood warnings are issued to inform of potential threats, and allow flood managing authorities time to take appropriate actions ...
Monitoring and Modeling Groundwater Flow Near the Vemork and Såheim Hydraulic Power Plants, Norway Restricted Access
Drobac, Bojana (Master thesis / Masteroppgave, 2021)
Most of unlined pressure tunnels are successfully operated in Norway without significant instability problems. Even though all unlined pressure tunnels follow the same established design criteria and principles, there are ...
What is fieldwork for? Exploring Roles of Fieldwork in Higher Education Earth Science 
Malm, Rie Hjørnegaard (Doctoral thesis / Doktoravhandling, 2021)
This thesis provides insights into fieldwork practices in Higher Education Earth Science and how these practices influence students’ senses of belonging and their negotiations of geoscience identities. The work illustrates ...
Design flood estimation with varying record lengths in Norway under stationarity and nonstationarity scenarios 
Yan, Lei; Xiong, Lihua; Ruan, Gusong; Zhang, Mengjie; Xu, Chong-Yu (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract In traditional flood frequency analysis, a minimum of 30 observations is required to guarantee the accuracy of design results with an allowable uncertainty, however, there has not been a recommendation ...
Reaction-induced mantle weakening at high-pressure conditions: An example from garnet pyroxenites of Ulten Zone (Eastern Alps, N Italy) 
Pellegrino, Luca; Menegon, Luca; Zanchetta, Stefano; Langenhorst, Falko; Pollok, Kilian; Tumiati, Simone; Malaspina, Nadia (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Peridotites of Ulten Zone (Eastern Alps, N Italy) show a transition from coarse protogranular spinel lherzolites to fine-grained amphibole + garnet peridotites, recorded by the crystallization of garnet coronas around ...
Human-assisted sample return mission at the Schrödinger basin, lunar far side, using a new geologic map and rover traverses 
Czaplinski, E.C.; Harrington, Elise Michelle; Bell, S.K.; Tolometti, G.D.; Farrant, B.E.; Bickel, V.T.; Honniball, C.I.; Martinez, S.N.; Rogaski, A.; Sargeant, H.M.; Kring, D.A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract The Schrödinger basin on the south polar lunar far side has been highlighted as a promising target for future exploration. This report provides a high-resolution geologic map in the southwest peak-ring ...
Seismic faults triggered early stage serpentinization of peridotites from the Samail Ophiolite, Oman 
Aupart, Claire Olga Maryse; Morales, Luiz F.G.; Godard, Marguerite; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Serpentinization of mantle peridotites has first order effects on the rheology and tectonic behavior of the oceanic lithosphere, on the global water cycle, and on the biosphere at mid-oceanic ridges. Investigating ...
Seismic reservoir characterization of potential CO2 storage reservoir sandstones in Smeaheia area, Northern North Sea 
Fawad, Manzar; Rahman, MD Jamilur; Mondol, Nazmul Haque (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Evaluating any subsurface CO2 storage site comprises the reservoir, seal, and overburden investigation to mitigate injection and storage-related complications. The Upper-Middle Jurassic Sognefjord, Fensfjord, and Krossfjord ...
Probabilistic Nucleation and Crystal Growth in Porous Medium: New Insights from Calcium Carbonate Precipitation on Primary and Secondary Substrates 
Nooraiepour, Mohammad; Masoudi, Mohammad; Shokri, Nima; Hellevang, Helge (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Knowledge of crystal nucleation and growth is paramount in understanding the geometry evolution of porous medium during reactive transport processes in geo-environmental studies. To predict transport properties precisely, ...
The Skuggliberga unit of the Oppdal area, central Scandinavian Caledonides: Calc-alkaline pyroclastic volcanism in a fluvial to shallow-marine basin following a mid-ordovician orogenic event 
Dalslåen, Bjørgunn Heggem; Gasser, Deta; Grenne, Tor; Ganerød, Morgan; Andresen, Arild (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
We present field observations, geochemical data and detrital zircon U–Pb ages from the newly defined Skuggliberga unit of the Oppdal area, central Norwegian Caledonides. The unit occurs in two separate areas, where it ...
Perturbing and constraining Norway’s surface water and energy balance 
Erlandsen, Helene B. (Doctoral thesis / Doktoravhandling, 2021)
The interplay of the land surface and atmosphere has been studied for a thousand years. Yet, we are still unsure how changes on the land surface impact the atmosphere and vice versa. Further, present-day models rely on a ...
Reservoir Characterization of Utsira High, Central North Sea Restricted Access
Olsen, Håkon Berggren (Master thesis / Masteroppgave, 2021)
Point-spread function convolution to simulate prestack depth migrated images: A validation study 
Jensen, Kristian; Lecomte, Isabelle Christine; Gelius, Leiv-J.; Kaschwich, Tina (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Seismic migration commonly yields an incomplete reconstruction of the Earth model due to restricted survey aperture, band-limited frequency content, and propagation effects. This affects both illumination and resolution ...
Acritarch-based chronostratigraphic and radiometric calibration of the Cambrian volcanosedimentary Vallehondo and Playón formations in the Cambrian Ossa-Morena Rift, Spain 
Palacios, Teodoro; Jensen, Sören; Álvaro, J.J.; Santos Zaldeugui, Zaldeugui; Eguiluz, L.; Corfu, Fernando; Gil Ibarguchi, Ibarguchi (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
The detailed record of diagnostic acritarchs from the volcanosedimentary Vallehondo and Playón formations, bracketed between Cambrian Stage 4 strata bearing the trilobite Serrodiscus and Guzhangian (Miaolingian) beds with ...
Evaluating the large-scale hydrological cycle response within the Pliocene Model Intercomparison Project Phase 2 (PlioMIP2) ensemble 
Han, Zixuan; Zhang, Qiong; Li, Qiang; Feng, Ran; Haywood, Alan M.; Tindall, Julia C.; Hunter, Stephen J.; Otto-Bliesner, Bette L.; Brady, Esther C.; Rosenbloom, Nan; Zhang, Zhongshi; Li, Xiangyu; Guo, Chuncheng; Nisancioglu, Kerim Hestnes; Stepanek, Christian; Lohmann, Gerrit; Sohl, Linda E.; Chandler, Mark A.; Tan, Ning; Ramstein, Gilles; Baatsen, Michiel L. J.; Von Der Heydt, Anna S.; Chandan, Deepak; Peltier, W. Richard; Williams, Charles J. R.; Lunt, Daniel J.; Cheng, Jianbo; Wen, Qin; Burls, Natalie J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The mid-Pliocene (∼3 Ma) is one of the most recent warm periods with high CO2 concentrations in the atmosphere and resulting high temperatures, and it is often cited as an analog for near-term future climate change. Here, ...
An Analytical Baseflow Coefficient Curve for Depicting the Spatial Variability of Mean Annual Catchment Baseflow 
Cheng, Shujie; Cheng, Lei; Liu, Pan; Qin, Shujing; Zhang, Lu; Xu, Chong-Yu; Xiong, Lihua; Liu, Liu; Xia, Jun (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Catchment baseflow is jointly controlled by climate and landscape properties. Previous studies have recognized that spatial variability of mean annual baseflow coefficient (BFC = urn:x-wiley:00431397:media:wrcr25461:wrcr ...
Insights into past tectonism from authigenic quartz 
Hellevang, Helge; Line, Lina Hedvig; Eide, Christian Haug; Jahren, Jens Sigurd; Haile, Beyene Girma (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Authigenic quartz grains carry information that is diagnostic for the thermal history and thereby the burial depth and uplift of sediments. Recycled quartz grains with embayed or rounded authigenic remnants have been ...
Chlorite coating patterns and reservoir quality in deep marine depositional systems – Example from the Cretaceous Agat Formation, northern North Sea Norway 
Hansen, Henrik Nygaard; Løvstad, Kristoffer; Lageat, Gildas; Clerc, Sylvain; Jahren, Jens Sigurd (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Sediment gravity flows transport large volumes of sand and clay minerals into submarine systems, which store some of the world's major reserves of oil and gas. However, knowledge about grain-coating clay mineral formation ...
Impacts of seismic resolution on fault interpretation: Insights from seismic modelling 
Faleide, Thea Sveva; Braathen, Alvar; Lecomte, Isabelle Christine; Mulrooney, Mark Joseph; Midtkandal, Ivar; Bugge, Aina J.; Planke, Sverre (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Seismic mapping of subsurface faults is hampered by factors such as seismic resolution, velocity control for depth conversion and human bias. Here, we explore the challenges and pitfalls related to interpreting normal ...
Scanarray-a broadband seismological experiment in the baltic shield 
Thybo, Hans; Bulut, Nevra; Grund, Michael; Mauerberger, Alexandra; Makushkina, Anna; Artemieva, Irina M.; Balling, Niels; Gudmundsson, Olafur; Maupin, Valerie; Ottemöller, Lars; Ritter, Joachim; Tilmann, Frederik (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
Abstract The ScanArray international collaborative program acquired broadband seismological data at 192 locations in the Baltic Shield during the period between 2012 and 2017. The main objective of the program ...
Aerosol absorption in global models from AeroCom phase III 
Sand, Maria; Samset, Bjørn Hallvard; Myhre, Gunnar; Gliss, Jonas; Bauer, Susanne E.; Bian, Huisheng; Chin, Mian; Checa-Garcia, Ramiro; Ginoux, Paul; Kipling, Zak; Kirkevåg, Alf; Kokkola, Harri; Le Sager, Philippe; Lund, Marianne Tronstad; Matsui, Hitoshi; Van Noije, Twan; Oliviè, Dirk Jan Leo; Rémy, Samuel; Schulz, Michael; Stier, Philip; Stjern, Camilla Weum; Takemura, Toshihiko; Tsigaridis, Kostas; Tsyro, Svetlana; Watson-Parris, Duncan (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Aerosol-induced absorption of shortwave radiation can modify the climate through local atmospheric heating, which affects lapse rates, precipitation, and cloud formation. Presently, the total amount of aerosol absorption ...
Implementing a sectional scheme for early aerosol growth from new particle formation in the Norwegian Earth System Model v2: comparison to observations and climate impacts 
Blichner, Sara Marie; Berntsen, Terje Koren; Sporre, Moa Kristina; Makkonen, Risto (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Aerosol–cloud interactions contribute to a large portion of the spread in estimates of climate forcing, climate sensitivity and future projections. An important part of this uncertainty is how much new particle formation ...
Glacier and Permafrost Hazards 
Wolken, Gabriel J.; Liljedahl, Anne K.; Brubaker, Michael; Coe, J.A.; Fiske, G.; Christiansen, Hanne H; Jacquemart, Mylene; Jones, Benjamin M.; Kääb, Andreas; Løvholt, Finn; Natali, Sue; Rudy, Ashley C A; Streletskiy, D. (Chapter / Bokkapittel / AcceptedVersion, 2021)
Retreating glaciers and thawing permafrost are causing local- to regional-scale hazards that threaten lives and livelihoods, infrastructure, sustainable resource development, and national security. Permafrost hazards are ...
Spatial and Temporal Variations of Freezing and Thawing Indices From 1960 to 2020 in Mongolia 
Dashtseren, Avirmed; Temuujin, Khurelbaatar; Westermann, Sebastian; Batbold, Altangerel; Amarbayasgalan, Yondon; Battogtokh, Dorjgotov (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Mongolia is one of the most sensitive regions to climate change, located in the transition of several natural and permafrost zones. Long-term trends in air freezing and thawing indices can therefore enhance our understanding ...
The Boreal–Arctic Wetland and Lake Dataset (BAWLD) 
Olefeldt, David; Hovemyr, Mikael; Kuhn, McKenzie A.; Bastviken, David; Bohn, Theodore J.; Connolly, John; Crill, Patrick; Euskirchen, Eugénie S.; Finkelstein, Sarah A.; Genet, Helene; Grosse, Guido; Harris, Lorna I.; Heffernan, Liam; Helbig, Manuel; Hugelius, Gustaf; Hutchins, Ryan; Juutinen, Sari; Lara, Mark J.; Malhotra, Avni; Manies, Kristen; McGuire, A. David; Natali, Susan M.; O'Donnell, Jonathan A.; Parmentier, Frans-Jan W.; Räsänen, Aleksi; Schädel, Christina; Sonnentag, Oliver; Strack, Maria; Tank, Suzanne E.; Treat, Claire; Varner, Ruth K.; Virtanen, Tarmo; Warren, Rebecca K.; Watts, Jennifer D. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Methane emissions from boreal and arctic wetlands, lakes, and rivers are expected to increase in response to warming and associated permafrost thaw. However, the lack of appropriate land cover datasets for scaling ...
Model simulations of arctic biogeochemistry and permafrost extent are highly sensitive to the implemented snow scheme in LPJ-GUESS 
Pongracz, Alexandra; Wårlind, David; Miller, Paul A.; Parmentier, Frans-Jan W. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The Arctic is warming rapidly, especially in winter, which is causing large-scale reductions in snow cover. Snow is one of the main controls on soil thermodynamics, and changes in its thickness and extent affect both ...
Fauna, palaeoecology and ecotypes of the Early Cretaceous sediment hosted hydrothermal vent environment of Zengővárkony (Mecsek Mountains, Hungary) 
Bujtor, László; Nagy, Jenø (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The fossil biota of the upper Valanginian–lower Hauterivian sediment hosted vent (SHV) environment of Zengővárkony comprises 39 species, 55 genera and higher taxa representing seven phyla. Thirteen of these taxa are reported ...
An aggregated template methodology: Novel automatic phase-onset identification by template matching 
Duboeuf, Laure; Oye, Volker; Dando, Benjamin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The precision of P- and S-wave phase picking strongly determines the precision of earthquake locations, but such picking can be challenging in the case of emergent signals, large data sets or temporally varying seismic ...
Statistical upscaling of ecosystem CO2 fluxes across the terrestrial tundra and boreal domain: regional patterns and uncertainties 
Virkkala, Anna-Maria; Aalto, Juha; Rogers, Brendan M.; Tagesson, Torbern; Treat, Claire C.; Natali, Susan M.; Watts, Jennifer D.; Potter, Stefano; Lehtonen, Aleksi; Mauritz, Marguerite; Schuur, Edward A. G.; Kochendorfer, John; Zona, Donatella; Oechel, Walter C.; Kobayashi, Hideki; Humphreys, Elyn; Goeckede, Mathias; Iwata, Hiroki; Lafleur, Peter M.; Euskirchen, Eugénie S.; Bokhorst, Stef; Marushchak, Maija; Martikainen, Pertti J.; Elberling, Bo; Voigt, Carolina; Biasi, Christina; Sonnentag, Oliver; Parmentier, Frans-Jan W.; Ueyama, Masahito; Celis, Gerardo; St.Louis, Vincent L.; Emmerton, Craig A.; Peichl, Matthias; Chi, Jinshu; Järveoja, Järvi; Nilsson, Mats B.; Oberbauer, Steven F.; Torn, Margaret S.; Park, Sang-Jong; Dolman, Han; Mammarella, Ivan; Chae, Namyi; Poyatos, Rafael; López-Blanco, Efrén; Christensen, Torben R.; Kwon, Min Jung; Sachs, Torsten; Holl, David; Luoto, Miska (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The regional variability in tundra and boreal carbon dioxide (CO2) fluxes can be high, complicating efforts to quantify sink-source patterns across the entire region. Statistical models are increasingly used to predict ...
Measurements and Modeling of Optical-Equivalent Snow Grain Sizes under Arctic Low-Sun Conditions 
Jäkel, Evelyn; Carlsen, Tim; Ehrlich, André; Wendisch, Manfred; Schäfer, Michael; Rosenburg, Sophie; Nakoudi, Konstantina; Zanatta, Marco; Birnbaum, Gerit; Helm, Veit; Herber, Andreas; Istomina, Larysa; Mei, Linlu; Rohde, Anika (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The size and shape of snow grains directly impacts the reflection by a snowpack. In this article, different approaches to retrieve the optical-equivalent snow grain size (ropt) or, alternatively, the specific surface area ...
Redescription mining for analyzing local limiting conditions: A case study on the biogeography of large mammals in China and southern Asia 
Galbrun, Esther; Tang, Hui; Kaakinen, Anu; Žliobaitė, Indrė (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Identifying and understanding limiting conditions is at the centre of ecology and biogeography. Traditionally, associations between climate and occurrences of organisms are inferred from observational data using regression ...
Monitoring geological storage of CO2: a new approach 
Fawad, Manzar; Mondol, Nazmul Haque (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract Geological CO 2 storage can be employed to reduce greenhouse gas emissions to the atmosphere. Depleted oil and gas reservoirs, deep saline aquifers, and coal beds are considered to be viable subsurface CO 2 storage ...
The Arctic Carbon Cycle and Its Response to Changing Climate 
Bruhwiler, Lori; Parmentier, Frans-Jan W.; Crill, Patrick; Leonard, Mark; Palmer, Paul I. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The Arctic has experienced the most rapid change in climate of anywhere on Earth, and these changes are certain to drive changes in the carbon budget of the Arctic as vegetation changes, soils warm, fires become more ...
Combining asynchronous data sets in regional body-wave tomography 
Maupin, Valerie (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
SUMMARY Regional body-wave tomography is a very popular tomographic method consisting in inverting relative traveltime residuals of teleseismic body waves measured at regional networks. It is well known that the ...
Simulating Snow Redistribution and its Effect on Ground Surface Temperature at a High‐Arctic Site on Svalbard 
Zweigel, Robin Benjamin; Westermann, Sebastian; Nitzbon, Jan; Langer, M; Boike, Julia; Etzelmüller, Bernd; Schuler, Thomas Vikhamar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
In high-latitude and mountain regions, local processes such as redistribution by wind, snow metamorphism, and percolation of water produce a complex spatial distribution of snow depths and snow densities. With its strong ...
Impact of growth faults on mixed siliciclastic-carbonate-evaporite deposits during rift climax and reorganisation—Billefjorden Trough, Svalbard, Norway 
Smyrak-Sikora, Aleksandra; Nicolaisen, Jacob; Braathen, Alvar; Johannessen, Erik P.; Olaussen, Snorre; Stemmerik, Lars (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Fault-controlled mixed siliciclastic-carbonate-evaporite depositional systems exhibit distinct sensitivity to tectonic and eustatic controls that are expressed in the sedimentary architecture. In the Upper Carboniferous ...
Glacial, fluvial and contour-current-derived sedimentation along the northern North Sea margin through the Quaternary 
Batchelor, Christine L.; Bellwald, Benjamin; Planke, Sverre; Ottesen, Dag; Henriksen, Sverre; Myklebust, Reidun; Johansen, Ståle E.; Dowdeswell, Julian A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The thick sequence of Quaternary sediments preserved within the northern North Sea contains important information about the glacial history, palaeo-oceanographic conditions and slope stability of this region during the ...
Surface temperatures and their influence on the permafrost thermal regime in high-Arctic rock walls on Svalbard 
Schmidt, Juditha; Etzelmüller, Bernd; Schuler, Thomas; Magnin, Florence; Boike, Julia; Langer, Moritz; Westermann, Sebastian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract. Permafrost degradation in steep rock walls and associated slope destabilization have been studied increasingly in recent years. While most studies focus on mountainous and sub-Arctic regions, the occurring ...
The role of mechanical stratigraphy on CO2 migration along faults – examples from Entrada Sandstone, Humbug Flats, Utah, USA 
Skurtveit, E.; Torabi, Anita; Sundal, Anja; Braathen, A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Bleaching patterns along a faulted succession provides new insight into fluid migration pathways controlled by the fault zone and mechanical stratigraphy. In order to investigate this effect, we logged stratigraphic layers ...
Standardized monitoring of permafrost thaw: a user-friendly, multi-parameter protocol 
Boike, Julia; Chadburn, Sarah; Martin, Julia; Zwieback, Simon; Althuizen, Inge; Anselm, Norbert; Cai, Lei; Coulombe, Stephanie; Lee, Hanna; Liljedahl, Anne K.; Schneebeli, Martin; Sjoberg, Ylva; Smith, Noah; Smith, Sharon l.; Streletskiy, Dmitry A.; Stuenzi, Simone Maria; Westermann, Sebastian; Wilcox, Evan James (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Climate change is destabilizing permafrost landscapes, affecting infrastructure, ecosystems and human livelihoods. The rate of permafrost thaw is controlled by surface and subsurface properties and processes, all of which ...
Variability of the surface energy balance in permafrost-underlain boreal forest 
Stuenzi, Simone Maria; Boike, Julia; Cable, William; Herzschuh, Ulrike; Kruse, Stefan; Pestryakova, Luidmila A.; Schneider von Deimling, T; Westermann, Sebastian; Zakharov, Evgenii; Langer, Moritz (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract. Boreal forests in permafrost regions make up around one-third of the global forest cover and are an essential component of regional and global climate patterns. Further, climatic change can trigger extensive ...
Effects of multi-scale heterogeneity on the simulated evolution of ice-rich permafrost lowlands under a warming climate 
Nitzbon, Jan; Langer, Moritz; Martin, Leo; Westermann, Sebastian; Schneider von Deimling, T; Boike, Julia (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract. In continuous permafrost lowlands, thawing of ice-rich deposits and melting of massive ground ice lead to abrupt landscape changes called thermokarst, which have widespread consequences on the thermal, hydrological, ...
Effects of basement structures and Carboniferous basin configuration on evaporite distribution and the development of salt structures in Nordkapp Basin, Barents Sea—Part I 
Hassaan, Muhammad; Faleide, Jan Inge; Gabrielsen, Roy Helge; Tsikalas, Filippos (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Potential field data, reprocessed regional 2D seismic reflection profiles and 3D seismic tied to wells were used to study the late Devonian-Permian development of the Nordkapp Basin in Barents Sea. The composite basin can ...
Accelerating future mass loss of Svalbard glaciers from a multi-model ensemble 
Van Pelt, Ward; Schuler, Thomas Vikhamar; Pohjola, Veijo; Pettersson, Rickard (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract Projected climate warming and wettening will have a major impact on the state of glaciers and seasonal snow in High Arctic regions. Following up on a historical simulation (1957–2018) for Svalbard, we make future ...
Measurement report: Spatial variations in ionic chemistry and water-stable isotopes in the snowpack on glaciers across Svalbard during the 2015-2016 snow accumulation season 
Barbaro, Elena; Kozioł, Krystyna; Björkman, Mats P.; Vega, Carmen P.; Zdanowicz, Christian; Martma, Tõnu; Gallet, Jean-Charles; Kȩpski, Daniel; Larose, Catherine; Luks, Bartłomiej; Tolle, Florian; Schuler, Thomas; Uszczyk, Aleksander; Spolaor, Andrea (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
The Svalbard archipelago, located at the Arctic sea-ice edge between 74 and 81∘ N, is ∼60 % covered by glaciers. The region experiences rapid variations in atmospheric flow during the snow season (from late September to ...
A GNSS velocity field for geophysical applications in Fennoscandia 
Kierulf, Halfdan Pascal; Steffen, Holger; Barletta, Valentina R.; Lidberg, Martin; Johansson, Jan; Kristiansen, Oddgeir; Tarasov, Lev (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
In Fennoscandia, tectonics, Glacial Isostatic Adjustment (GIA), and climatic changes cause ongoing crustal deformation of some millimetres per year, both vertically and horizontally. These displacements of the Earth can ...
From widespread faulting to localised rifting: Evidence from K-Ar fault gouge dates from the Norwegian North Sea rift shoulder 
Fossen, Haakon; Ksienzyk, Anna K.; Rotevatn, Atle; Bauck, Marit Stokke; Wemmer, Klaus (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Although seismic and stratigraphic well information put tight constraints on rift basin evolution, eroded rift shoulders commonly expose polydeformed prerift basement whose deformation history may be difficult to constrain. ...
Jurassic fast polar shift rejected by a new high-quality paleomagnetic pole from southwest Greenland 
Kulakov, Evgeniy; Torsvik, Trond Helge; Doubrovine, Pavel V.; Slagstad, Trond; Ganerød, Morgan; Silkoset, Petter; Werner, Stephanie C. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
A selective compilation of paleomagnetic data from North America indicates that a vast amount of rapid polar motion occurred in Late Jurassic time. The over 30° polar shift that accumulated during a relatively short time ...
Fracture networks in shale-hosted igneous intrusions: Processes, distribution and implications for igneous petroleum systems 
Rabbel, Ole; Palma, Octavio; Mair, Karen; Galland, Olivier; Spacapan, Juan Bautista; Senger, Kim (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Igneous intrusions in sedimentary basins can influence basin-scale fluid flow and petroleum systems in various ways. They may act as barriers, preferential pathways or even reservoirs for fluids. The fracture networks of ...
Crustal domains in the Western Barents Sea 
Shulgin, Alexey A; Faleide, Jan Inge; Mjelde, Rolf; Breivik, Asbjørn Johan; Huismans, Ritske Sipke (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
SUMMARY The crustal architecture of the Barents Sea is still enigmatic due to complex evolution during the Timanian and Caledonian orogeny events, further complicated by several rifting episodes. In this study ...
Surface currents in operational oceanography: Key applications, mechanisms, and methods 
Röhrs, Johannes; Sutherland, Graig; Jeans, Gus; Bedington, Michael; Sperrevik, Ann Kristin; Dagestad, Knut-Frode; Gusdal, Yvonne; Mauritzen, Cecilie; Dale, Andrew; Lacasce, Joseph Henry (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
This paper reviews physical mechanisms, observation techniques and modelling approaches dealing with surface currents on short time scales (hours to days) relevant for operational oceanography. Key motivations for this ...
Concurrent MORB-type and ultrapotassic volcanism in an extensional basin along the Laurentian Iapetus margin: Tectonomagmatic response to Ordovician arc-continent collision and subduction polarity flip 
Gasser, Deta; Grenne, Tor; Corfu, Fernando; Bøe, Reidulv; Røhr, Torkil Sørlie; Slagstad, Trond (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Arc-continent collision, followed by subduction polarity flip, occurs during closure of oceanic basins and contributes to the growth of continental crust. Such a setting may lead to a highly unusual association of ultrapotassic ...
Groundwater Flow Through Continuous Permafrost Along Geological Boundary Revealed by Electrical Resistivity Tomography 
Hornum, Mikkel Toft; Betlem, Peter; Hodson, Andy (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
In continuous permafrost regions, pathways for transport of sub-permafrost groundwater to the surface sometimes perforate the frozen ground and result in the formation of a pingo. Explanations offered for the locations of ...
Architecture of the evaporite accumulation and salt structures dynamics in Tiddlybanken Basin, southeastern Norwegian Barents Sea 
Hassaan, Muhammad; Faleide, Jan Inge; Gabrielsen, Roy Helge; Tsikalas, Filippos (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
An extensive, reprocessed two-dimensional (2D) seismic data set was utilized together with available well data to study the Tiddlybanken Basin in the southeastern Norwegian Barents Sea, which is revealed to be an excellent ...
Structure-From-Motion Photogrammetry of Antarctic Historical Aerial Photographs in Conjunction with Ground Control Derived from Satellite Data 
Child, Sarah F.; Stearns, Leigh A; Girod, Luc Maurice Ramuntcho; Brecher, Henry H (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
A longer temporal scale of Antarctic observations is vital to better understanding glacier dynamics and improving ice sheet model projections. One underutilized data source that expands the temporal scale is aerial ...
Extreme Precipitation Changes in Europe from the Last Millennium to the End of the Twenty-First Century 
Huo, Ran; Li, Lu; Chen, Hua; Xu, Chong-Yu; Chen, Jie; Guo, Shenglian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
Abstract In this study, we aim to better understand the current and future projections of precipitation extremes in Europe in the context of climatic variability over a long-term period from the last millennium to the end ...
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